Therefore, whoever eats the bread or drinks the cup of the Lord in an unworthy way will be guilty of sin against the body and blood of the Lord.
References for 1 Corinthians 11:27
So a man should examine himself; in this way he should eat of the bread and drink of the cup.
For whoever eats and drinks without recognizing the body, eats and drinks judgment on himself.
References for 1 Corinthians 11:29
This is why many are sick and ill among you, and many have fallen asleep.
References for 1 Corinthians 11:30
If we were properly evaluating ourselves, we would not be judged,
but when we are judged, we are disciplined by the Lord, so that we may not be condemned with the world.
Therefore, my brothers, when you come together to eat, wait for one another.
If anyone is hungry, he should eat at home, so that you can come together and not cause judgment. And I will give instructions about the other matters whenever I come.